134511709 has 8 divisors (see below), whose sum is σ = 136547712. Its totient is φ = 132485760.

The previous prime is 134511677. The next prime is 134511731. The reversal of 134511709 is 907115431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134511709 - 2⁵ = 134511677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134511109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27004 + ... + 31594.

It is an arithmetic number, because the mean of its divisors is an integer number (17068464).

Almost surely, 2^134511709 is an apocalyptic number.

It is an amenable number.

134511709 is a deficient number, since it is larger than the sum of its proper divisors (2036003).

134511709 is an equidigital number, since it uses as much as digits as its factorization.

134511709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5027.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 134511709 is about 11597.9183045924. The cubic root of 134511709 is about 512.3735435771.

The spelling of 134511709 in words is "one hundred thirty-four million, five hundred eleven thousand, seven hundred nine".